import type { TemplateResult } from 'lit';
import type { SubsetJobError } from '../data-services/types.js';
export interface HarmonyErrorDetails {
    status: number;
    code: string;
    message: string;
    context?: string;
    isCancellation?: boolean;
}
export interface HarmonyError {
    code: string;
    message?: string;
    context?: string;
}
/**
 * Checks if an error indicates a user cancellation by checking the error message
 * and nested error structures (like Apollo's cause/networkError)
 * @param error - The error to check
 * @returns true if the error indicates a user cancellation
 */
export declare function isCancellationError(error: unknown): boolean;
/**
 * Extracts error information from Harmony GraphQL operations
 * @param error - The error object from Harmony operations
 * @param jobErrors - Optional array of job errors from Harmony job status
 * @returns Error details object with status, code, message, and context
 */
export declare function extractHarmonyError(error: unknown, jobErrors?: Array<SubsetJobError>): HarmonyErrorDetails;
/**
 * Formats error messages for display in UI components
 * @param error - Error object with code, message, and optional context
 * @returns HTML template for the error message
 */
export declare function formatHarmonyErrorMessage(error: HarmonyError): TemplateResult;